As SKIP members struggle against the scorching heat, a kaiju appears and and begins absorbing gas. After accidentally absorbing Arc's powers as well, the kaiju loses control, and if it explodes, Hoshimoto City could be wiped out! Yuma is inspired to act by the words of a mysterious woman... But why has this kaiju appeared?

Hoshimoto City is in financial trouble!? It seems that the popular digital currency "HoshiPay" has been devoured by a digital kaiju! It's time for SKIP to spring into action! But wait... How can a digital kaiju be handled!? Yuma and Arc will need the help of HoshiPay's developer to stand up to this kaiju!

The conclusion of the Onyx incident meant Shu would be leaving... As his departure approached, a mysterious case emerged! The victims seem to be afraid of something unknown, and the source of it seems to be the beams released from a certain kaiju's hands. What will Shu see when he too becomes a victim? And a mysterious alien appears in the middle of the chaos!?

The alien that appeared before Yuma and Shu is called Zangill, the space samurai. According to him, the "infernal dark shogun" kaiju from another dimension is sending kaiju into this world!?

And just as he said, a kaiju army appears in the city! When Yuma and Zangill go against the kaiju, Ultraman Arc's sword strikes!

A normal day, no different from any other...

During which a terrifying scheme was taking place...

What are the strange "things" noticed throughout this ordinary day?

And can those living in this world notice them...?

A strong enemy appears before of Yuma.

Yuma has been experiencing some mysterious strain on his body recently. Right then, yet another galactic beast appears! It seems to know Arc's powers well, and chases after Yuma... With nowhere to escape, what will be Yuma's decision!?

And what is the true form of the ominous light in Yuma's chest!?